hellothe self signed certificate is mostly used to allow the HTTPS administration of the acs and allow peap authentication. the certificate the ACS created does cannot be used as a client certificate since the usage key of the certificate doesn't all...

Hellothis is a full guide on how to build a 802.1x for wired lan. you can use most of it to certify your ACS with the domain CA.in any case - I alway use the private.cerextention for the private key file and it works for me.hope this helps Motti

Helloif the corruption is not in your local certificates, which i think to be unlikly since it can't be that all pc/laptops have this problem then you might want to check if some one changed the root CA of you domain. if so then all you need to do is...

Hellowhat is the authentication that you are using on your laptop? md5/PEAP/cert'sbest you use md5 challange for testing, configured on your nic's authentication tab in the configuration window. this should tell you if you are having any problems on...

Hithis is the guide to build the 802.1x for wired lan but it covers the CA configuration and certificare creation process in detail. I hope this helps.http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_configuration_example09186a00805e7a1...